This seems to work fine on my Ubuntu 25.04 Are you able to extract the cover art with, for example, this ffmpeg command? $ ffmpeg -i <input file>.m4a -an -vcodec copy <output file>.png
And what does Ubuntu's default thumbnailer say about it? $ /usr/bin/totem-video-thumbnailer -v <input file>.m4a <output file>.png -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2111560 Title: Nautilus does not show embedded album art thumbnails for .m4a files To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nautilus/+bug/2111560/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
